Means for controlling the production of water vapor by and supply to gas producers



De 26, 1939- A. l.. GALUsHA 2,185,071 MEANS FOR CONTROLLING THE PRODUCTION 0F WATER VAPOR BY AND SUPPLY TO GAS PRODUCERS Filed 001'.. 51, 1936 f OO INVENTOR ALBERT L. GALUVSHA BY HIS ATTORNEYS Patented Dee. ze, 1939 y 24,185,077

UNITED STATES" PATENT OFFICE MEANS FOR CONTROLLING THE PRODUC- TION OF WATER VAPOR BY AND 'SUPPLY TO GAS PRODUCERS Albert Leet Galusha, Caldwell, N. J. Application October 31, 1936, Serial No. 108,654 s'oiaims. (ci. 4ta-76)' Thisv invention relates to gas producers and ducer is supplied from `a supply line 26 through more particularly to means for controlling the branch pipes 28,-30 and 32 and pipe 34 to the production and supply of steam or water vapor water jacket at the top of the gas producer. to gas producersand it is an object of this in- Excess water is discharged from the water jacket vention to provide an improved means of the through an overflow pipe 36 which has a por- 5 class described which will permit of the gas protion thereof bent to U-shape, as at 36', to form ducer supplying all steam or Water vapor necesa water seal which prevents the escape of air or sary for its operation; which will automatically steam from the water jacket. The overflow pipe maintain the Supply 0f Steam 0I' Water VaDOr in 36 is positioned to maintain a proper depth of accordance with the rate of gas production and water on the inner top member 4 and the spacing 10 which will maintain the mixture of air and steam of the top members 4 and 6 is such that there is or water vapor supplied the gas producer at a sufficient space for the passage of air from the substantially uniform. temperature. It is also pipe I2 over the water in the water jacket to an object of this invention to provide means for the pipe I8 in its passage from the blower I4 to preventing the accumulation of ash at or on the the gas producer. When the gas producer is in 15 gas producer Wall and the reduction in the V01- operaton the air in passing over the water in urne 0f Steam 01 VaDOI generated by the PIOdllCel' the water jacket is heated and absorbs moisture as the result thereof because of the reduction in as its temperature is raised,

the amount of heat transmitted through the In order to maintain the condition of the air SaS producer Wall yt0 the Water n the Water supplied to the gas producer uniform as to the 2 jacket. moisturev content thereof it is necessary to main- In the drawingtain the air at a uniform temperature. To ac- Fig. l is a partial view in vertical section of a complish this there is provided a bulb 38 lled gas producer constructed in accordance with this with a gas or liquid which is expanded or partly invention, supply pipes connected to the gas prO- vaporized at the temperature at which it is deducer beine Shown partly in elevation and partly sired to maintain the air supplied to the gas prodiagrammatically; and ducer. The bulb 38 is connected by a capillary Fig. 2 iS a,l Partial hOIiZOntal Sectional View tube 4U to an expansible diaphragm 42 which is showing theerete of Fig. 1 in plan view, parts connected through the stem t4 to the balancedy 3o beine breken away to `Show Other parts more throttle valve 46 in the branch pipe 28. The dia- 30 clearly. phragm 42 is arranged to be operated upon in- As shown in the drawing a gas producer e011-- crease in temperature in the air pipe 20 to open structed in accordance with this invention is prO- the throttle valve 46 further against the action vided with an annular Wall COmDIiSng an inner of the spring 48 to increase the flow of water to Wall l and an Outer Wall 2 Spaeed fIOm the Ilthe water jacket of the gas producer, cooling 35 ner Wall and fermng an annular Space Which iS the Water in the water` jacket and reducing the Sealed at the betten! by a plate 3 t0 ferm a Water temperature to which the air passing thereover is jaeket- The inner and Outer Wall members l heated and the amount of moisture taken up by and 2'are connected to inner and outer top memthe air in its passage through the water jacket. 4U bers 4 and 6, respectively, which are also speced- 1f the temperature of the air falls below the de- 4o apart t0 ferm a Water jacket fOr the *20D 0f the sired temperature the gas or liquid in the bulb 38 SaS Dr0dl1ee1`- The 170D members 4 and 6 are is cooled and the pressure on the diaphragm 42 spaced apart a greater distaneethan are the is reduced permitting the spring 4s to operate Walls l and 2 and are provided With aligned Openthe throttle valve 46 and reduce the flow of water ,45 ings in which are tted the fuel feeding tubes 8 to the water jacket. with the new of water to 45 and the frame 0f the manhole .0r inspection the water jacket reduced the temperature of the opening I0. The outer top member e is also prewater in the water jacket is raised causing the vided with an Opening t0 which is connected the temperature` of the air and the amount of mois. pipe I2 leading from the blower or air blast conture taken up bysthe air to be increased. As the 50 nection I4 and an opening to which is connected volume of water in the water jacket is consider- 50 a pipe I8. The pipe I8 isv connected through a able the variations in its temperature are gradpipe 20 to the inlet pipe 22 by'which air is supuall and the necessary movements of the throttle plied to the gas producer casing, passing through valve 46 slow. grate 24 to the ilre. In the drawing the branch pipe 28 is shown as Water for the water jacket of the gas proprovided with a strainer 50 to prevent dirt reach- 55 ing the throttle valve 46, and to permit of continuous operation while the strainer 50 is being cleaned the branch pipe 30 is provided. A valve 52 in the branch pipe prevents flow therethrough when the branch pipe is not in use and serves to regulate the flow when the branch pipe is in use. A valve 54 in the branch pipe 28 and a valve 56- in the pipe r34 serve to cut out the branch pipe 28 while vthe strainer is being cleaned. Normally the 'valves 54 and 58 are open and the valve 52 is closed. A branch pipe 32 of larger size and having a valve therein is provided in order to accomplish the initial filling of the Water jacket more rapidly.- The branch pipe 32 is kept closed during the operation. of the producer.

In service, particularly when the gas producer is being called upon to produce a large volume o1V gas continuouslyfor a considerable period, combustion of the fuel tends'to take place more rapidly adjacent the gas producer wall with a resulting accumulation of ash which, after a period of operation, tends vto reduce the amount of heat transferred to the water in the water jacket and cause a reduction in the temperature of the cooling water and a reductio-n in the amount oi steam produced. In orderto maintain a substantially constant condition of the fire with respectV to the accumulation of ash.at the gas producer wall the grate 24, which consists of annular plates 24a, 24b and 24 and a cap piece 24d, eccentrically', mounted in spaced relation on a frame 24e pivotally mounted on a suitable support 25, is provided with a scraper mounted on the grate plate 24b for preventing accumulation of ash or clinker adjacent the gas producer inner Wall l The scraper comprises a bar or member 21 secured by bolts 29 on the grate plate 24h, between projections 24I welded to the plate, and' projecting outwardly into the region of the producer wall l. At its outer end the member 21 is formed with a vertically extending portion 21a positioned at an acute angle to the wall l and cut away at its front portion to provide a cutting edge of chisel-shape having the toe closer to the producer wall than theheel. The bolts 29 securing the scraper bar 21 to the plate 24b are placed with the nuts 29a beneath the plates to permit of the removal or replacement of worn or damaged scrapers without dumping the re, it being found that the ash will arch over sufliciently to permit of the work being done.

The rotation of the scraper 21,l 21a tends to -rotate the fuel bed with the grate 24 and to prevent this rotation vertical ribs or projections 3|, projecting radially inwardly of the gas producer and having their upper end portions tapering to prevent fuel or ash lodging thereon, are welded or otherwise suitably secured to the inner face of the wall I at uniformly spaced points and at height slightly above the upper level of the vertical portion 21A of the scraper so that the projections 3l cooperate with the scraper in breaking large pieces of clinker or ash.

The angular position of the vertical portion 21a of the wall scraper tends to force the ash linwardly to be discharged over the inner edges of the grate plates and this operation is assisted by l v/saturated air at 140 spaced. slightly .below the bottom of the wall scraper 21, 21 so as to pass without interferencev the supply of steamcan be regulated vby a valve similar to valve 46 but arranged to be opened when the temperature in pipe 20 falls and vice versa. In this case water is supplied through a branch pipe having a manually controlled valve therein as the branch pipe 30 and valve 52, the

valve being kept open to such an extent that an excess of water is supplied and the air is not heated to the desired temperature in .passing through the water jacket, through pipe 60 bringing the air tothe desired temperature and moisture. As a check on the condition of the air supplied to the gas producer, a thermometer 64 of either the indicating or recording type, is provided, the air having the desired moisture so long as it is maintained at the correct temperature.

Inasmuch as the moisture air varies with changes in the air temperature,

times thev moisture of saturated air at 100 the proper amount of moisture can be supplied to the fire by maintaining the air supplied at the ,proper temperature. With all the air supplied ofuni- Vform moisture content there is but little variation .the control of the airA temperature and thus of F. containing about four content of saturated y the volume of moisture supplied to the nre Iis:

effected by the control of water jacket by the response of the fluid in th bulb 38 to changes in the air temperature. In this way the temperature of the water jacket is controlled so as to supply the desired amount-of .moisture to the air supplied to the fire and the supply of excess moisture to the re and the cooling of the fire resulting therefrom prevented.

What is claimed is: l. The combination with a gas producer having a water jacket, of means vfor heating and moistening in said water jacket all air supplied to the gas producer fire, means for supplying water to said water jacket, means forremoving ash from a wall of said water jacket to maintain water supplied to the substantially uniform conditions for the transfer of heat from the fire to said water jacket and means responsive to variations in the temperature of the air supplied for controlling said water supplying means.

2. In a gas producer having relatively rotating wall and grate, a scraper carried by said grate for removing ash from said wall, ribs on said wall abovethe path of said scraper preventing rotation of the fuel bed with the scraper and ash plows projecting inwardly beneath the path of Vsaid scraper for forcing the ash inwardly over the grate.

3. In a gas producer having a rotating grate and a fixed wall, a scraper rotating with said grate for removing ash from said wall, ribs extending vertically on said wall above the path of said scraper preventing rotation of the fuel bed with said scraper and ash plows fixed relatively to said ribs and projecting inwardly beneath the path of said scraper for forcing ash inwardly over the grate.

4. In a gas producer having relatively rotatsaid wallgabove the zone of the scraper and ash plows projecting inwardly beneath the zone of the scraper, said scraper cooperating with saidy ribs and ash plows in crushing waste pieces of clinker.

5. The combination. with a gas producer having a water-jacket, of means for supplying all air for thefgas producer iire through said waterjacket and means responsive to variations in the temperature of the air supplied to the producer tire for .maintaining constant the temperature' and moisture content of the air supplied.

6. The combination with a gas producer having a water-jacket, of means for supplying all air for the gas lproducer fire through said waterjacket vand means responsive to variations in the ltemperature of the air supplied to the producer nre for controlling the temperature of the water in the water-jacket to maintain constant the temperature and moisture content of the air sup plied to the producer fire.

7. The combination with a gas producer having a water-jacket of means for supplying al1 air for the gas producer fire through said waterjacket and means responsive to variations in the ytemperature of the air supplied for controlling the supply of-water to the water-jacket to maintain constant the temperature and moisture content of the air supplied to the producer tlre.

8. The combination with a gas producer having a water-jacket, of means for passing all air for the gas producer iire over water in. said water jacket, .means for supplying water to said water-jacket and means/responsive to variations in the temperature of the air supplied to the gas producer re for controlling the supply of water to the water-jacket to maintain constant the temperature and moisture content of the air supplied.

ALBERT LEET G ALUSHA. 

